#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int my_strlen(char* brr)
{
	if (*brr != '\0')
	{
		return 1 + my_strlen(brr + 1);
	}
	else
		return 0;
}
int main()
{
	char arr[] = "hahaha";
	printf("%d", my_strlen(arr));

	return 0;
}